... 3) 2 years warranty Solar panel / solar module / solar cell / PV panels / PV modules Specifications 1) polycrystalline / Mono- crystalline solar panels/ Solar panels/ solar modules2) TUV, IEC, CE ... system voltage (V) 1000Power tolerance:+/-3% - 5%Front Glass3.5 mm Toughened glassModule Conversion efficiency15% - 18.5%Frame (Material, Corners, etc.)Aluminium AlloyOperating ...